522168055808 has 96 divisors (see below), whose sum is σ = 1193905046880. Its totient is φ = 223660769280.

The previous prime is 522168055763. The next prime is 522168055853. The reversal of 522168055808 is 808550861225.

It is an interprime number because it is at equal distance from previous prime (522168055763) and next prime (522168055853).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28275698 + ... + 28294158.

It is an arithmetic number, because the mean of its divisors is an integer number (12436510905).

Almost surely, 2^522168055808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522168055808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596952523440).

522168055808 is an abundant number, since it is smaller than the sum of its proper divisors (671736991072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522168055808 is a wasteful number, since it uses less digits than its factorization.

522168055808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20463 (or 20443 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 50.

The spelling of 522168055808 in words is "five hundred twenty-two billion, one hundred sixty-eight million, fifty-five thousand, eight hundred eight".